fix primitive class resolution to avoid mistaking normal classes with names like 'B' for primitive classes

classpath/java/lang/Boolean.java

@@ -1,7 +1,7 @@
 package java.lang;
 
 public final class Boolean {
-  public static final Class TYPE = Class.forName("Z");
+  public static final Class TYPE = Class.forCanonicalName("Z");
 
   private final boolean value;
 

classpath/java/lang/Byte.java

@@ -1,7 +1,7 @@
 package java.lang;
 
 public final class Byte extends Number {
-  public static final Class TYPE = Class.forName("B");
+  public static final Class TYPE = Class.forCanonicalName("B");
 
   private final byte value;
 

classpath/java/lang/Character.java

@@ -1,7 +1,7 @@
 package java.lang;
 
 public final class Character {
-  public static final Class TYPE = Class.forName("C");
+  public static final Class TYPE = Class.forCanonicalName("C");
 
   private final char value;
 

classpath/java/lang/Class.java

@@ -26,7 +26,28 @@ public final class Class <T> {
     return new String(name, 0, name.length - 1, false);
   }
 
-  public static native Class forName(String name);
+  public static native Class forName(String name)
+    throws ClassNotFoundException;
+
+  private static native Class primitiveClass(char name);
+  
+  static Class forCanonicalName(String name) {
+    try {
+      if (name.startsWith("[")) {
+        return forName(name);
+      } else if (name.startsWith("L")) {
+        return forName(name.substring(1, name.length() - 1));
+      } else {
+        if (name.length() == 0) {
+          return primitiveClass(name.charAt(0));
+        } else {
+          throw new ClassNotFoundException(name);
+        }
+      }
+    } catch (ClassNotFoundException e) {
+      throw new RuntimeException(e);
+    }
+  }
 
   public native boolean isAssignableFrom(Class c);
 

classpath/java/lang/ClassLoader.java

@@ -9,7 +9,7 @@ public class ClassLoader {
     return instance;
   }
 
-  public Class loadClass(String name) {
+  public Class loadClass(String name) throws ClassNotFoundException {
     return Class.forName(name);
   }
 }

classpath/java/lang/Double.java

@@ -1,7 +1,7 @@
 package java.lang;
 
 public final class Double {
-  public static final Class TYPE = Class.forName("D");
+  public static final Class TYPE = Class.forCanonicalName("D");
 
   private final double value;
 

classpath/java/lang/Float.java

@@ -1,7 +1,7 @@
 package java.lang;
 
 public final class Float extends Number {
-  public static final Class TYPE = Class.forName("F");
+  public static final Class TYPE = Class.forCanonicalName("F");
 
   private final float value;
 

classpath/java/lang/Integer.java

@@ -1,7 +1,7 @@
 package java.lang;
 
 public final class Integer extends Number {
-  public static final Class TYPE = Class.forName("I");
+  public static final Class TYPE = Class.forCanonicalName("I");
 
   private final int value;
 

classpath/java/lang/Long.java

@@ -1,7 +1,7 @@
 package java.lang;
 
 public final class Long extends Number {
-  public static final Class TYPE = Class.forName("J");
+  public static final Class TYPE = Class.forCanonicalName("J");
 
   private final long value;
 

classpath/java/lang/Short.java

@@ -1,7 +1,7 @@
 package java.lang;
 
 public final class Short extends Number {
-  public static final Class TYPE = Class.forName("S");
+  public static final Class TYPE = Class.forCanonicalName("S");
 
   private final short value;
 

classpath/java/lang/Thread.java

@@ -4,10 +4,11 @@ import java.util.Map;
 import java.util.WeakHashMap;
 
 public class Thread implements Runnable {
+  private long peer;
   private final Runnable task;
   private Map<ThreadLocal, Object> locals;
   private Object sleepLock;
-  private long peer;
+  private boolean interrupted;
 
   public Thread(Runnable task) {
     this.task = task;

classpath/java/lang/Void.java

@@ -1,7 +1,7 @@
 package java.lang;
 
 public final class Void {
-  public static final Class TYPE = Class.forName("V");
+  public static final Class TYPE = Class.forCanonicalName("V");
 
   private Void() { }
 }

classpath/java/lang/reflect/Method.java

@@ -51,6 +51,7 @@ public class Method<T> extends AccessibleObject implements Member {
 
     String spec = new String(this.spec, 1, this.spec.length - 1, false);
 
+    try {
       for (int i = 0; i < spec.length(); ++i) {
         char c = spec.charAt(i);
         if (c == ')') {
@@ -77,6 +78,9 @@ public class Method<T> extends AccessibleObject implements Member {
           types[index++] = Class.forName(name);
         }
       }
+    } catch (ClassNotFoundException e) {
+      throw new RuntimeException(e);
+    }
 
     return types;
   }

src/builtin.cpp

@@ -87,6 +87,32 @@ Class_forName(Thread* t, jclass, jstring name)
   }
 }
 
+jclass
+Class_primitiveClass(Thread* t, jclass, jchar name)
+{
+  switch (name) {
+  case 'B':
+    return pushReference(t, arrayBody(t, t->vm->types, Machine::JbyteType));
+  case 'C':
+    return pushReference(t, arrayBody(t, t->vm->types, Machine::JcharType));
+  case 'D':
+    return pushReference(t, arrayBody(t, t->vm->types, Machine::JdoubleType));
+  case 'F':
+    return pushReference(t, arrayBody(t, t->vm->types, Machine::JfloatType));
+  case 'I':
+    return pushReference(t, arrayBody(t, t->vm->types, Machine::JintType));
+  case 'L':
+    return pushReference(t, arrayBody(t, t->vm->types, Machine::JlongType));
+  case 'S':
+    return pushReference(t, arrayBody(t, t->vm->types, Machine::JshortType));
+  case 'V':
+    return pushReference(t, arrayBody(t, t->vm->types, Machine::JvoidType));
+  default:
+    t->exception = makeIllegalArgumentException(t);
+    return 0;
+  }
+}
+
 jboolean
 Class_isAssignableFrom(Thread* t, jobject this_, jclass that)
 {

src/machine.cpp

@@ -1375,7 +1375,7 @@ Thread::Thread(Machine* m, object javaThread, Thread* parent):
 
     populateBuiltinMap(t, m->builtinMap);
 
-    t->javaThread = makeThread(t, 0, 0, 0, reinterpret_cast<int64_t>(t));
+    t->javaThread = makeThread(t, reinterpret_cast<int64_t>(t), 0, 0, 0, 0);
   } else {
     threadPeer(this, javaThread) = reinterpret_cast<jlong>(this);
     parent->child = this;

src/types.def

@@ -125,10 +125,11 @@
 
 (type thread java/lang/Thread
   (extends jobject)
+  (int64_t peer)
   (object task)
   (object locals)
   (object sleepLock)
-  (int64_t peer))
+  (uint8_t interrupted))
 
 (type stackTraceElement java/lang/StackTraceElement
   (extends jobject)
@@ -280,29 +281,29 @@
   (extends jobject)
   (array uint64_t body))
 
-(type jbyte B
+(type jbyte
   (extends jobject))
 
-(type jboolean Z
+(type jboolean
   (extends jobject))
 
-(type jshort S
+(type jshort
   (extends jobject))
 
-(type jchar C
+(type jchar
   (extends jobject))
 
-(type jint I
+(type jint
   (extends jobject))
 
-(type jlong L
+(type jlong
   (extends jobject))
 
-(type jfloat F
+(type jfloat
   (extends jobject))
 
-(type jdouble D
+(type jdouble
   (extends jobject))
 
-(type jvoid V
+(type jvoid
   (extends jobject))